---
title: "ICD-10-CM N40.1: Benign prostatic hyperplasia with lower… | BillingBrief"
description: "ICD-10-CM code N40.1: Benign prostatic hyperplasia with lower urinary tract symptoms. Category, related codes, and the official source, in plain English."
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---

# N40.1 Benign prostatic hyperplasia with lower urinary tract symptoms

ICD-10-CM · [CMS code reference](#source)

**Official ICD-10-CM description:** Benign prostatic hyperplasia with lower urinary tract symptoms

## Coding notes

From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.

### Also covers

-   Enlarged prostate with LUTS

### Includes

-   adenofibromatous hypertrophy of prostate
-   benign hypertrophy of the prostate
-   benign prostatic hypertrophy
-   BPH
-   enlarged prostate
-   nodular prostate
-   polyp of prostate

### Excludes1

Not coded together with this code. The exception is when the two conditions are unrelated to each other.

-   benign neoplasms of prostate (adenoma, benign) (fibroadenoma) (fibroma) (myoma) (D29.1)

### Excludes2

Not part of this code, but both can be coded when both are documented.

-   malignant neoplasm of prostate (C61)

### Use additional code

Add a second code for the following, when documented.

-   code for associated symptoms, when specified:
-   incomplete bladder emptying ([R39.14](https://billingbrief.com/icd10/r39.14/))
-   nocturia (R35.1)
-   straining on urination ([R39.16](https://billingbrief.com/icd10/r39.16/))
-   urinary frequency (R35.0)
-   urinary hesitancy ([R39.11](https://billingbrief.com/icd10/r39.11/))
-   urinary incontinence (N39.4-)
-   urinary obstruction (N13.8)
-   urinary retention (R33.8)
-   urinary urgency ([R39.15](https://billingbrief.com/icd10/r39.15/))
-   weak urinary stream ([R39.12](https://billingbrief.com/icd10/r39.12/))

## Related codes

-   [`N40.0` Benign prostatic hyperplasia without lower urinary tract symptoms ICD-10-CM](https://billingbrief.com/icd10/n40.0/)
-   [`N40.2` Nodular prostate without lower urinary tract symptoms ICD-10-CM](https://billingbrief.com/icd10/n40.2/)
-   [`N40.3` Nodular prostate with lower urinary tract symptoms ICD-10-CM](https://billingbrief.com/icd10/n40.3/)

## Common questions

### Is N40.1 a billable code?

Yes. N40.1 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.

## From the source

Official description from [CMS](https://www.cms.gov/medicare/coding-billing/icd-10-codes).
ICD-10-CM FY2027 (effective October 1, 2026).

Code set

ICD-10-CM

Category

N40 Benign prostatic hyperplasia

Chapter

Diseases of the genitourinary system

Billable

Yes

Educational reference only. Not medical, legal, or billing advice. Always check the current official code set and payer policy before you bill. [About BillingBrief and our sources](https://billingbrief.com/about/).